| Tamacrest Limited | Construction | 1998 |
| TAN4FUN Limited | Manufacturing | 2014 |
| TAO TAO Electronic Office Co., Ltd | Wholesale & retail | 2023 |
| Target WPP Limited | Hospitality | 2000 |
| Tariq & Sons Halal Meat Limited | Wholesale & retail | 2002 |
| Tarmac (PCC) Limited | Professional & scientific | 1961 |
| Tasmanco Limited | Wholesale & retail | 2022 |
| Tax Link Limited | Professional & scientific | 2007 |
| Taylor Electrical Solutions Limited | Construction | 2004 |
| Taylor Hart Limited | Manufacturing | 1998 |
| Taylor Stanton & Company Ltd | Administrative & support | 2002 |
| Taylors Estate Agents & Surveyors Ltd | Real estate | 1994 |
| TDF Design Limited | Professional & scientific | 2007 |
| Team Patrick Limited | Professional & scientific | 1997 |
| Tech Reports Team Limited | Administrative & support | 2024 |
| Techinitial Device Co., Ltd | Manufacturing | 2023 |
| Techline Systems Limited | Manufacturing | 1998 |
| Techno Commerce Limited | Wholesale & retail | 1988 |
| Teleslot T.V. Limited | Manufacturing | 1983 |
| Telford Tiling Company Limited | Wholesale & retail | 1973 |
| Telldeal Limited | Professional & scientific | 2005 |
| Temp Air Solutions Ltd | Construction | 2007 |
| Tetris-Men Removals Ltd | Water & waste | 2021 |
| Texture BD Limited | Wholesale & retail | 2020 |
| Thandi Properties Limited | Real estate | 2006 |
| THE Agile Mindset Ltd | Information & communication | 2012 |
| THE Argo Motor Company Limited | Wholesale & retail | 1999 |
| THE Bentley Mill Biscuit Company Limited | Extraterritorial | 2007 |
| THE Birmingham Royal Institution for the Blind | Other services | 1985 |
| THE Black Country Living Museum Trust | Arts & recreation | 1975 |
| THE Black TIE (Coventry) Limited | Wholesale & retail | 2004 |
| THE British Professional Golf Tour Limited | Arts & recreation | 1995 |
| THE Centre of Light Ltd. | Education | 2007 |
| THE Common Good | Other services | 2004 |
| THE Copthornes Management Company Limited | Households | 1992 |
| THE Design People Limited | Professional & scientific | 2000 |
| THE FOG Academy Ltd | Professional & scientific | 2025 |
| THE Food of Love Limited | Hospitality | 2004 |
| THE G1 Company (Midlands) Limited | Administrative & support | 2006 |
| THE Green Day Nursery (Kings Norton) Limited | Education | 2003 |
| THE Grove Residential Home (Solihull) | Health & social care | 2003 |
| THE Gunners Club Ltd | Hospitality | 2004 |
| THE Hamstead Social Club Limited | Other services | 2000 |
| THE Hawthorns Tenants' Association Limited | Households | 1992 |
| THE House on the Corner Community Project Limited | Health & social care | 2004 |
| THE International Polo Club Palm Beach Ltd | Wholesale & retail | 2023 |
| THE Juice Burst Drinks Co. Limited | Manufacturing | 1939 |
| THE Khanda Party Limited | Arts & recreation | 2007 |
| THE Landscaping Company Limited | Administrative & support | 1998 |
| THE Little Whale Group Co., Ltd | Wholesale & retail | 2023 |
| THE Living Well Range Limited | Hospitality | 2018 |
| THE Lyneham Associates Limited | Real estate | 2003 |
| THE Michael Partnership LLP | | 2005 |
| THE Old Midland Ltd | Hospitality | 2025 |
| THE Omnibus Society | Wholesale & retail | 1995 |
| THE Phone Shop (Midlands) Limited | Wholesale & retail | 1997 |
| THE Professional Promotion Company Ltd | Administrative & support | 1996 |
| THE Random Company UK Ltd | Wholesale & retail | 2004 |
| THE RAW Hair Co LLP | | 2026 |
| THE Regency Press Limited | Manufacturing | 2000 |
| THE Results Business Limited | Professional & scientific | 2003 |
| THE Screeners Ltd | Manufacturing | 2003 |
| THE Stourbridge Osteopathic & Acupuncture Clinic Ltd | Health & social care | 2003 |
| THE Stourbridge Physiotherapy Practice Limited | Health & social care | 2003 |
| THE Tettenhall Road Chiropractic Clinic Limited | Health & social care | 2003 |
| THE Traditional Barbers Shop Limited | Other services | 2002 |
| THE Unique PUB Finance Company PLC | Professional & scientific | 1999 |
| THE Vine Trust Walsall | Administrative & support | 2002 |
| THE Westminster Specialist College (SPI) Limited | Education | 2020 |
| THE What? Centre Limited | Health & social care | 1997 |
| THE Window Centre (Acocks Green) Limited | Professional & scientific | 1997 |
| The-Salon.Net Limited | Other services | 2002 |
| Theo Limited | Real estate | 2007 |
| Thermofax Limited | Manufacturing | 2001 |
| Think.Com Limited | Information & communication | 2000 |
| Thomas Anthony Financial Services Limited | Financial services | 2004 |
| Thomas Hall Limited | Professional & scientific | 1998 |
| Thomas Nock Martin Limited | Professional & scientific | 1995 |
| Thomas Supplies Limited | Wholesale & retail | 2024 |
| Thompson Building Services Ltd | Construction | 2007 |
| Thompsons Hire and Haulage Limited | Transport & logistics | 1986 |
| Thorn Kingson Developments Limited | Construction | 2002 |
| Thorne Packaging & Marketing Limited | Manufacturing | 1980 |
| Three C&T Care Limited | Health & social care | 2019 |
| Threebanks Ltd | Information & communication | 2007 |
| Thuja Design Limited | Administrative & support | 2007 |
| Thyssenkrupp Materials (UK) Limited | Wholesale & retail | 1959 |
| Tigris Associates Limited | Construction | 1997 |
| Tile Plus Limited | Professional & scientific | 1998 |
| TIM Jones Limited | Wholesale & retail | 2003 |
| TIM Whitehouse Motors Limited | Wholesale & retail | 2003 |
| Timflow Limited | | 1985 |
| Timmins Waste Services Limited | Water & waste | 2006 |
| Tinkers Management Ltd | Extraterritorial | 2012 |
| Tipton & Coseley Building Society Charitable Foundation | Administrative & support | 1999 |
| TM2 Solutions Limited | Construction | 2003 |
| Todd Scales | Professional & scientific | 1920 |
| Tollhouse Fabrications Limited | Manufacturing | 2004 |
| Tonny Toys Co., Ltd | Wholesale & retail | 2023 |
| Tony Davies & Partner LLP | | 2001 |